earthquake
(noun)
noun
1. shaking and vibration at the surface of the earth resulting from underground movement along a fault plane or from volcanic activity
Similar word(s): quake, seism, temblor
Definition categories: event
2. a disturbance that is extremely disruptive
- selling the company caused an earthquake among the employees
Definition categories: state, commotion, disruption, disturbance, flutter, kerfuffle